A cylinder is submerged in water as illustrated in the diagram. At which two positions is the pressure the same? 1- A and B
2- B and C
3- A and D
4- B and D

Picture a all traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain your answer

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

How are positive ions different from neutral atoms